diff options
Diffstat (limited to 'libjava/classpath/vm/reference/java/net')
3 files changed, 307 insertions, 0 deletions
diff --git a/libjava/classpath/vm/reference/java/net/VMInetAddress.java b/libjava/classpath/vm/reference/java/net/VMInetAddress.java new file mode 100644 index 000000000..a99c216b9 --- /dev/null +++ b/libjava/classpath/vm/reference/java/net/VMInetAddress.java @@ -0,0 +1,97 @@ +/* VMInetAddress.java -- Class to model an Internet address + Copyright (C) 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package java.net; + +import gnu.classpath.Configuration; + +import java.io.Serializable; + +class VMInetAddress implements Serializable +{ + static + { + if (Configuration.INIT_LOAD_LIBRARY) + System.loadLibrary("javanet"); + } + + /** + * This method looks up the hostname of the local machine + * we are on. If the actual hostname cannot be determined, then the + * value "localhost" will be used. This native method wrappers the + * "gethostname" function. + * + * @return The local hostname. + */ + public static native String getLocalHostname(); + + /** + * Returns the value of the special address INADDR_ANY + */ + public static native byte[] lookupInaddrAny() throws UnknownHostException; + + /** + * This method returns the hostname for a given IP address. It will + * throw an UnknownHostException if the hostname cannot be determined. + * + * @param ip The IP address as a byte array + * + * @return The hostname + * + * @exception UnknownHostException If the reverse lookup fails + */ + public static native String getHostByAddr(byte[] ip) + throws UnknownHostException; + + /** + * Returns a list of all IP addresses for a given hostname. Will throw + * an UnknownHostException if the hostname cannot be resolved. + */ + public static native byte[][] getHostByName(String hostname) + throws UnknownHostException; + + /** + * Return the IP address represented by a literal address. + * Will return null if the literal address is not valid. + * + * @param address the name of the host + * + * @return The IP address as a byte array + */ + public static native byte[] aton(String address); +} diff --git a/libjava/classpath/vm/reference/java/net/VMNetworkInterface.java b/libjava/classpath/vm/reference/java/net/VMNetworkInterface.java new file mode 100644 index 000000000..fca0c525a --- /dev/null +++ b/libjava/classpath/vm/reference/java/net/VMNetworkInterface.java @@ -0,0 +1,131 @@ +/* VMNetworkInterface.java -- + Copyright (C) 2005, 2008 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package java.net; + +import gnu.classpath.Configuration; + +import java.nio.ByteBuffer; +import java.util.HashSet; +import java.util.Set; + +/** + * This class models a network interface on the host computer. A network + * interface contains a name (typically associated with a specific + * hardware adapter) and a list of addresses that are bound to it. + * For example, an ethernet interface may be named "eth0" and have the + * address 192.168.1.101 assigned to it. + * + * @author Michael Koch (konqueror@gmx.de) + * @since 1.4 + */ +final class VMNetworkInterface +{ + String name; + Set addresses; + + VMNetworkInterface(String name) + { + this.name = name; + addresses = new HashSet(); + } + + /** + * Creates a dummy instance which represents any network + * interface. + */ + public VMNetworkInterface() + { + addresses = new HashSet(); + try + { + addresses.add(InetAddress.getByName("0.0.0.0")); + } + catch (UnknownHostException _) + { + // Cannot happen. + } + } + + static + { + if (Configuration.INIT_LOAD_LIBRARY) + System.loadLibrary("javanet"); + + initIds(); + } + + private static native void initIds(); + + /** + * Return a list of VM network interface objects. + * + * @return The list of network interfaces. + * @throws SocketException + */ + public static native VMNetworkInterface[] getVMInterfaces() + throws SocketException; + + private void addAddress(ByteBuffer addr) + throws SocketException, UnknownHostException + { + if (addr.remaining() == 4) + { + byte[] ipv4 = new byte[4]; + addr.get(ipv4); + addresses.add(Inet4Address.getByAddress(ipv4)); + } + else if (addr.remaining() == 16) + { + byte[] ipv6 = new byte[16]; + addr.get(ipv6); + addresses.add(Inet6Address.getByAddress(ipv6)); + } + else + throw new SocketException("invalid interface address"); + } + + static native boolean isUp(String name) throws SocketException; + + static native boolean isLoopback(String name) throws SocketException; + + static native boolean isPointToPoint(String name) throws SocketException; + + static native boolean supportsMulticast(String name) throws SocketException; + +} diff --git a/libjava/classpath/vm/reference/java/net/VMURLConnection.java b/libjava/classpath/vm/reference/java/net/VMURLConnection.java new file mode 100644 index 000000000..19bf5814e --- /dev/null +++ b/libjava/classpath/vm/reference/java/net/VMURLConnection.java @@ -0,0 +1,79 @@ +/* VMURLConnection - VM code for URLConnection + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package java.net; + +import gnu.classpath.Configuration; + +import java.io.IOException; +import java.io.InputStream; + +final class VMURLConnection +{ + public static final int LENGTH = 1024; + + static + { + if (Configuration.INIT_LOAD_LIBRARY) + System.loadLibrary("javanet"); + init(); + } + + private static native void init(); + + private static native String guessContentTypeFromBuffer(byte[] b, int valid); + + /** + * This is called from URLConnection to guess the mime type of a + * stream. This method may return null to indicate that it could + * not guess a type. + */ + static String guessContentTypeFromStream(InputStream is) + throws IOException + { + if (! is.markSupported()) + return null; + is.mark(LENGTH); + byte[] bytes = new byte[LENGTH]; + int r = is.read(bytes); + if (r < 0) + return null; + is.reset(); + return guessContentTypeFromBuffer(bytes, r); + } +} |